Saw blade core



FIG. 1 is a front elevational view of a saw blade core showing my new design, wherein the rear view is a mirror image thereof;

FIG. 2 is a top plan view of the saw blade core, wherein the bottom plan view is a mirror image thereof; and,

FIG. 3 is a side elevation view of the saw blade core, wherein the other side elevation view is a mirror image thereof. 

The ornamental design for a saw blade core, as shown and described. 